| 917988-41-1

• CAS: 917988-41-1
• 化学式: C₇₆H₁₄₂Nb₂O₂₄Si₁₂
• 分子量: 1962.79
• InChiKey: YYBZZGMHKKXHRP-KSXYXWBESA-N

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为反应物：
  描述：

  四氢呋喃 、 、 水 以 氘代四氢呋喃 为溶剂， 生成 [(c-C6H11)6Si6O11Nb2(OEt)(μ-OEt)(μ-O)(THF)]2
  参考文献：
  名称：

  The First Niobasilsesquioxanes

  摘要：

  Synthetic routes leading to the first polyhedral oligosilsesquioxane derivatives incorporating niobium are reported. Tetrasilanol (c-C6H11)(6)Si6O7(OH)(4) (2), for which an improved laboratory-scale synthesis is reported, cleanly reacts with Nb(OEt)(5) to afford the dinuclear niobasilsesquioxane [(c-C6H11)(6)Si6O11-NbOEt](2) ( 3), which slowly converts to the tetranuclear mu-oxo species 4 in the presence of moisture. A structurally different mu-ethoxy-bridged dinuclear niobasilsesquioxane, [(c-C6H11)(7)Si7O12NbOEt(mu-OEt)](2) ( 6), is readily accessible from (c-C6H11)(7)Si7O9(OH)(3) (5) and Nb(OEt)(5). The molecular structures of 2, 3, 4, and 6 have been determined by X-ray diffraction.

  DOI：

  10.1021/om0606587
• 作为产物：
  描述：

  Niobium ethoxide 、 Cy6Si6O7(OH)4 以 甲苯 为溶剂， 以63.6%的产率得到
  参考文献：
  名称：

  The First Niobasilsesquioxanes

  摘要：

  Synthetic routes leading to the first polyhedral oligosilsesquioxane derivatives incorporating niobium are reported. Tetrasilanol (c-C6H11)(6)Si6O7(OH)(4) (2), for which an improved laboratory-scale synthesis is reported, cleanly reacts with Nb(OEt)(5) to afford the dinuclear niobasilsesquioxane [(c-C6H11)(6)Si6O11-NbOEt](2) ( 3), which slowly converts to the tetranuclear mu-oxo species 4 in the presence of moisture. A structurally different mu-ethoxy-bridged dinuclear niobasilsesquioxane, [(c-C6H11)(7)Si7O12NbOEt(mu-OEt)](2) ( 6), is readily accessible from (c-C6H11)(7)Si7O9(OH)(3) (5) and Nb(OEt)(5). The molecular structures of 2, 3, 4, and 6 have been determined by X-ray diffraction.

  DOI：

  10.1021/om0606587